html {
  font-size: 62.5%;
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

html, body {
  width: 100%;
  height: 100%;
}

body {
  font-size: 1.6rem;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
          align-items: center;
  -webkit-box-pack: center;
          justify-content: center;
  font-family: system-ui;
  background: #E7EEF7;
}

button {
  cursor: pointer;
  color: inherit;
  font-family: inherit;
}
button:active, button:focus {
  outline: 0;
}

.l-grid {
  width: auto;
  margin: auto;
  display: grid;
  grid-column-gap: 4rem;
  grid-row-gap: 4rem;
  grid-template-columns: repeat(3, 1fr);
}
.l-grid__item {
  text-align: center;
}

.c-button {
  display: -webkit-inline-box;
  display: inline-flex;
  height: 8.8rem;
  width: 8.8rem;
  padding: 0;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
          flex-direction: column;
  -webkit-box-align: center;
          align-items: center;
  -webkit-box-pack: center;
          justify-content: center;
  border-radius: 2.4rem;
  border: 0;
  color: #879fbe;
  background: transparent;
  position: relative;
  box-shadow: 0.8rem 0.8rem 2.4rem #c1d3ea, -0.8rem -0.8rem 2.4rem white, -0.2rem -0.2rem 0.2rem white;
  -webkit-transition: all 120ms ease-out 0s;
  transition: all 120ms ease-out 0s;
}
.c-button:hover:before {
  background: rgba(255, 255, 255, 0.24);
}
.c-button:before {
  content: '';
  position: absolute;
  border-radius: 2.4rem;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  border: 2px solid transparent;
  -webkit-filter: blur(2px);
          filter: blur(2px);
  -webkit-transition: all 120ms ease-out 0s;
  transition: all 120ms ease-out 0s;
}
.c-button:after {
  content: '';
  position: absolute;
  border-radius: 2.4rem;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  -webkit-transition: all 120ms ease-out 0s;
  transition: all 120ms ease-out 0s;
}
.c-button--active {
  background: -webkit-gradient(linear, left bottom, left top, from(#d4e0f1), to(#fafcfd));
  background: linear-gradient(to top, #d4e0f1, #fafcfd);
  box-shadow: inset 0.2rem 0.2rem 0.8rem #87aad7, inset 0.8rem 0.8rem 1.6rem #aec5e4, inset -0.4rem -0.4rem 0.8rem white, 2px 2px 8px #9bb8de, -2px -2px 2px rgba(255, 255, 255, 0.7);
}
.c-button--active:before {
  border-color: white;
  box-shadow: 0px 0.4rem 1.6rem white;
}
.c-button--active:after {
  box-shadow: inset 0px 0px 1.6rem white;
}
.c-button__icon {
  -webkit-filter: grayscale(40%) brightness(110%);
          filter: grayscale(40%) brightness(110%);
  -webkit-transition: all 120ms ease-out 0s;
  transition: all 120ms ease-out 0s;
}
.c-button__label {
  -webkit-filter: grayscale(40%) brightness(110%);
          filter: grayscale(40%) brightness(110%);
  display: block;
  margin-top: 0.8rem;
  font-size: 1.4rem;
  font-weight: 700;
  -webkit-transition: all 120ms ease-out 0s;
  transition: all 120ms ease-out 0s;
}

.u-text--red {
  color: #F56565;
}

.u-text--blue {
  color: #4299E1;
}

.u-text--green {
  color: #48BB78;
}

.u-text--orange {
  color: #ED8936;
}

.u-text--yellow {
  color: #D69E2E;
}

.u-text--teal {
  color: #38B2AC;
}

.u-text--indigo {
  color: #667EEA;
}

.u-text--purple {
  color: #9F7AEA;
}

.u-text--pink {
  color: #ED64A6;
}
